% Main file for a multi-file LaTeX project
\documentclass{article}

\usepackage{natbib}

\begin{document}

\title{Multi-File LaTeX Project}
\author{Test Author}
\maketitle

\section{Introduction}

This is the main file.

\input{chapter1}
\input{chapter2}

\bibliographystyle{plain}
\bibliography{references,database}

\end{document}
